Home / 160,100.24-220,939.05-87,504.62

Finding the Fourth Proportional to 160,100.24, 220,939.05 and 87,504.62

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Solution

The fourth proportional to 160,100.24, 220,939.05 and 87,504.62 is: 120,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,100.24 : 220,939.05 = 87,504.62 : x
  2. Step 2: Convert to fraction form
    160,100.24/220,939.05 = 87,504.62/x
  3. Step 3: Cross multiply
    160,100.24x = 220,939.05 × 87,504.62
  4. Step 4: Simplify right side
    160,100.24x = 19,333,187,613.41
  5. Step 5: Solve for x
    x = 19,333,187,613.41/160,100.24
  6. Step 6: Final answer
    x = 120,756.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.